Inventor

Ralf Wischnat

17Patents
4h-index
55Co-inventors
59Inventor score

Filing activity: Nov 21, 2000 → Apr 18, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US7109218B2 Substituted 2-thio-3,5-dicyano-4-phenyl-6-aminopyridines and the use of the same Chemistry; Metallurgy 33 Expired
US6455472B1 Phenyl-substituted cyclic enaminones Fixed Constructions 16 Expired
US6906007B2 Phenyl-substituted 5,6-dihydropyrone derivatives for use as pesticides and herbicides Chemistry; Metallurgy 8 Expired
US6974827B2 Phenyl substituted 4-hydroxy tetrahydroxypyridone Chemistry; Metallurgy 5 Expired
US7230116B2 Pyrazolyl-substituted heterocycles and their use as phytosanitary products Chemistry; Metallurgy 4 Expired
US7642359B2 Pyrazolyl-substituted heterocycles and their use as phytosanitary products Chemistry; Metallurgy 2 Active
US8507537B2 Trifluromethoxyphenyl-substituted tetramic acid derivatives pesticides and/or herbicides Chemistry; Metallurgy 2 Active
US8058452B2 Pyrazolyl-substituted heterocycles and their use as phytosanitary products Chemistry; Metallurgy 2 Active
US7186829B1 Aryl-substituted heterocyclic enaminones Chemistry; Metallurgy 2 Expired
US6992044B1 Substituted phenyluracils Chemistry; Metallurgy 2 Expired
US7049271B2 Phenyl-substituted 2-enamino-ketonitriles Chemistry; Metallurgy 2 Expired
US7435829B2 Pyrazolyl-substituted heterocycles and their use as phytosanitary products Chemistry; Metallurgy 2 Active
US11332444B2 Method for the hydrolysis of quinolonecarboxylic esters Chemistry; Metallurgy 0 Active
US7214801B2 Condensation reagents and a process for their preparation Chemistry; Metallurgy 0 Expired
US8497377B2 Process for preparing pradofloxacin Human Necessities 0 Active
US7064216B2 Condensation reagents and a process for their preparation Chemistry; Metallurgy 0 Expired
US7547660B2 Phenyl-substituted 4-hydroxy-tetrahydropyridones Chemistry; Metallurgy 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.